-- G8 Autonomous Content & Continuous Improvement OS.
-- Only synthetic replay/red-team/coverage-drift metadata is accepted. Every decision and
-- lifecycle transition is immutable; qualification never silently promotes a candidate.

CREATE TABLE IF NOT EXISTS app.ci_ingestion_submission (
  submission_id UUID PRIMARY KEY,
  content_hash TEXT NOT NULL CHECK (content_hash ~ '^[a-f0-9]{64}$'),
  operation_kind TEXT NOT NULL CHECK (operation_kind IN (
    'content_pipeline','model_change_gate','release_gate','incident_dag',
    'human_approval','monitor_event'
  )),
  result_id UUID NOT NULL,
  data_classification TEXT NOT NULL DEFAULT 'synthetic_replay_red_team_coverage_drift'
    CHECK (data_classification = 'synthetic_replay_red_team_coverage_drift'),
  created_at TIMESTAMPTZ NOT NULL DEFAULT now()
);

CREATE TABLE IF NOT EXISTS app.ci_source_artifact (
  source_record_id UUID PRIMARY KEY,
  source_id TEXT NOT NULL CHECK (source_id ~ '^oas-g8-source-[a-z0-9-]+$'),
  source_version TEXT NOT NULL CHECK (length(btrim(source_version)) > 0),
  content_sha256 TEXT NOT NULL CHECK (content_sha256 ~ '^[a-f0-9]{64}$'),
  provenance_uri TEXT NOT NULL CHECK (provenance_uri ~ '^(repo|db|audit)://[a-zA-Z0-9_./:-]+$'),
  usage_status TEXT NOT NULL CHECK (usage_status IN ('approved','restricted','rejected')),
  citation_label TEXT NOT NULL CHECK (length(btrim(citation_label)) > 0),
  content_hash TEXT NOT NULL CHECK (content_hash ~ '^[a-f0-9]{64}$'),
  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
  UNIQUE (source_id, source_version)
);

-- Mutable scheduler control-plane. Source/configuration fields are immutable after
-- enqueue; only lease/retry/result state may change. It never represents approval.
CREATE TABLE IF NOT EXISTS app.ci_agentic_job (
  job_id UUID PRIMARY KEY,
  job_key TEXT NOT NULL UNIQUE CHECK (job_key ~ '^oas-g8-job-[a-z0-9-]+$'),
  source_packs JSONB NOT NULL CHECK (
    jsonb_typeof(source_packs) = 'array' AND jsonb_array_length(source_packs) >= 1
  ),
  source_fingerprint TEXT NOT NULL CHECK (source_fingerprint ~ '^[a-f0-9]{64}$'),
  data_classification TEXT NOT NULL
    CHECK (data_classification = 'synthetic_replay_red_team_coverage_drift'),
  content_kind TEXT NOT NULL CHECK (content_kind IN ('case','rupture','practice','benchmark')),
  difficulty_level INT NOT NULL CHECK (difficulty_level BETWEEN 1 AND 5),
  variant_count INT NOT NULL CHECK (variant_count BETWEEN 3 AND 12),
  prompt_version TEXT NOT NULL CHECK (length(btrim(prompt_version)) > 0),
  trigger_kind TEXT NOT NULL CHECK (trigger_kind IN ('scheduled_repo_source','scheduled_incident')),
  status TEXT NOT NULL DEFAULT 'pending'
    CHECK (status IN ('pending','processing','retry_wait','rejected','completed')),
  attempt_count INT NOT NULL DEFAULT 0 CHECK (attempt_count >= 0),
  next_attempt_at TIMESTAMPTZ NOT NULL DEFAULT now(),
  lease_started_at TIMESTAMPTZ,
  last_error_code TEXT,
  last_error_message TEXT CHECK (
    last_error_message IS NULL OR length(last_error_message) <= 500
  ),
  result_submission_id UUID REFERENCES app.ci_ingestion_submission(submission_id) ON DELETE RESTRICT,
  result_qualification_id UUID,
  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
  updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
  completed_at TIMESTAMPTZ,
  CHECK (
    (status = 'completed') =
    (result_submission_id IS NOT NULL AND result_qualification_id IS NOT NULL AND completed_at IS NOT NULL)
  )
);

CREATE INDEX IF NOT EXISTS idx_ci_agentic_job_ready
  ON app.ci_agentic_job(status, next_attempt_at, created_at);

CREATE TABLE IF NOT EXISTS app.ci_content_pipeline (
  pipeline_id UUID PRIMARY KEY,
  submission_id UUID NOT NULL UNIQUE
    REFERENCES app.ci_ingestion_submission(submission_id) ON DELETE RESTRICT,
  draft_id TEXT NOT NULL UNIQUE CHECK (draft_id ~ '^oas-g8-draft-[a-z0-9-]+$'),
  content_kind TEXT NOT NULL CHECK (content_kind IN ('case','rupture','practice','benchmark')),
  source_record_ids UUID[] NOT NULL CHECK (cardinality(source_record_ids) >= 1),
  generation_model TEXT NOT NULL CHECK (length(btrim(generation_model)) > 0),
  prompt_version TEXT NOT NULL CHECK (length(btrim(prompt_version)) > 0),
  prompt_sha256 TEXT NOT NULL CHECK (prompt_sha256 ~ '^[a-f0-9]{64}$'),
  payload_sha256 TEXT NOT NULL CHECK (payload_sha256 ~ '^[a-f0-9]{64}$'),
  draft_payload JSONB,
  synthetic_identity_id TEXT NOT NULL CHECK (synthetic_identity_id ~ '^synthetic-identity-[a-z0-9-]+$'),
  difficulty_level INT NOT NULL CHECK (difficulty_level BETWEEN 1 AND 5),
  hidden_answer_fingerprint TEXT NOT NULL CHECK (hidden_answer_fingerprint ~ '^[a-f0-9]{64}$'),
  visible_answer_overlap_tokens INT NOT NULL CHECK (visible_answer_overlap_tokens = 0),
  pii_findings INT NOT NULL CHECK (pii_findings = 0),
  unsupported_clinical_claims INT NOT NULL CHECK (unsupported_clinical_claims = 0),
  state TEXT NOT NULL DEFAULT 'pending_human_approval'
    CHECK (state = 'pending_human_approval'),
  clinical_claim_allowed BOOLEAN NOT NULL DEFAULT FALSE CHECK (clinical_claim_allowed = FALSE),
  created_at TIMESTAMPTZ NOT NULL DEFAULT now()
);

ALTER TABLE app.ci_content_pipeline
  ADD COLUMN IF NOT EXISTS draft_payload JSONB;

DO $$
BEGIN
  IF NOT EXISTS (
    SELECT 1 FROM pg_constraint
    WHERE conname = 'ci_content_pipeline_draft_payload_object'
      AND conrelid = 'app.ci_content_pipeline'::regclass
  ) THEN
    ALTER TABLE app.ci_content_pipeline
      ADD CONSTRAINT ci_content_pipeline_draft_payload_object
      CHECK (draft_payload IS NULL OR jsonb_typeof(draft_payload) = 'object');
  END IF;
END;
$$;

CREATE TABLE IF NOT EXISTS app.ci_red_team_review (
  review_record_id UUID PRIMARY KEY,
  pipeline_id UUID NOT NULL REFERENCES app.ci_content_pipeline(pipeline_id) ON DELETE RESTRICT,
  review_id TEXT NOT NULL UNIQUE CHECK (review_id ~ '^oas-g8-review-[a-z0-9-]+$'),
  reviewer_agent_id TEXT NOT NULL CHECK (length(btrim(reviewer_agent_id)) > 0),
  dimensions TEXT[] NOT NULL CHECK (
    cardinality(dimensions) >= 3
    AND dimensions <@ ARRAY['safety','identity','answer_leakage','cultural_bias','difficulty','pii','grounding']::TEXT[]
  ),
  reviewed_payload_sha256 TEXT NOT NULL CHECK (reviewed_payload_sha256 ~ '^[a-f0-9]{64}$'),
  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
  UNIQUE (pipeline_id, reviewer_agent_id)
);

CREATE TABLE IF NOT EXISTS app.ci_red_team_finding (
  finding_record_id UUID PRIMARY KEY,
  review_record_id UUID NOT NULL REFERENCES app.ci_red_team_review(review_record_id) ON DELETE RESTRICT,
  finding_id TEXT NOT NULL UNIQUE CHECK (finding_id ~ '^oas-g8-finding-[a-z0-9-]+$'),
  dimension TEXT NOT NULL CHECK (dimension IN (
    'safety','identity','answer_leakage','cultural_bias','difficulty','pii','grounding'
  )),
  severity TEXT NOT NULL CHECK (severity IN ('blocker','high','moderate','low')),
  finding_state TEXT NOT NULL CHECK (finding_state IN ('open','resolved','accepted_risk')),
  evidence_ref TEXT NOT NULL CHECK (length(btrim(evidence_ref)) > 0),
  remediation_ref TEXT,
  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
  CHECK (finding_state <> 'resolved' OR length(btrim(remediation_ref)) > 0),
  CHECK (finding_state <> 'accepted_risk' OR severity NOT IN ('blocker','high'))
);

CREATE TABLE IF NOT EXISTS app.ci_content_benchmark (
  benchmark_record_id UUID PRIMARY KEY,
  pipeline_id UUID NOT NULL UNIQUE REFERENCES app.ci_content_pipeline(pipeline_id) ON DELETE RESTRICT,
  benchmark_id TEXT NOT NULL UNIQUE CHECK (benchmark_id ~ '^oas-g8-benchmark-[a-z0-9-]+$'),
  variant_count INT NOT NULL CHECK (variant_count >= 3),
  variant_pass_rate DOUBLE PRECISION NOT NULL CHECK (variant_pass_rate BETWEEN 0 AND 1),
  answer_leakage_count INT NOT NULL CHECK (answer_leakage_count = 0),
  pii_finding_count INT NOT NULL CHECK (pii_finding_count = 0),
  unsupported_claim_count INT NOT NULL CHECK (unsupported_claim_count = 0),
  safety_failure_count INT NOT NULL CHECK (safety_failure_count = 0),
  reward_hacking_count INT NOT NULL CHECK (reward_hacking_count = 0),
  evidence_refs TEXT[] NOT NULL CHECK (cardinality(evidence_refs) >= 1),
  qualified BOOLEAN NOT NULL CHECK (qualified = (variant_pass_rate >= 0.85)),
  created_at TIMESTAMPTZ NOT NULL DEFAULT now()
);

CREATE TABLE IF NOT EXISTS app.ci_content_qualification (
  qualification_id UUID PRIMARY KEY,
  pipeline_id UUID NOT NULL UNIQUE REFERENCES app.ci_content_pipeline(pipeline_id) ON DELETE RESTRICT,
  benchmark_record_id UUID NOT NULL UNIQUE REFERENCES app.ci_content_benchmark(benchmark_record_id) ON DELETE RESTRICT,
  catalog_entry_id TEXT NOT NULL UNIQUE CHECK (catalog_entry_id ~ '^oas-g8-catalog-[a-z0-9-]+$'),
  payload_sha256 TEXT NOT NULL CHECK (payload_sha256 ~ '^[a-f0-9]{64}$'),
  source_record_ids UUID[] NOT NULL CHECK (cardinality(source_record_ids) >= 1),
  review_record_ids UUID[] NOT NULL CHECK (cardinality(review_record_ids) >= 2),
  gate_state TEXT NOT NULL DEFAULT 'pending_human_approval'
    CHECK (gate_state = 'pending_human_approval'),
  clinical_claim_allowed BOOLEAN NOT NULL DEFAULT FALSE CHECK (clinical_claim_allowed = FALSE),
  created_at TIMESTAMPTZ NOT NULL DEFAULT now()
);

CREATE TABLE IF NOT EXISTS app.ci_gate_artifact (
  artifact_record_id UUID PRIMARY KEY,
  owner_kind TEXT NOT NULL CHECK (owner_kind IN ('model_change_gate','release_gate')),
  owner_id UUID NOT NULL,
  artifact_kind TEXT NOT NULL CHECK (artifact_kind IN ('baseline','threshold','provenance','rollback')),
  artifact_id TEXT NOT NULL CHECK (length(btrim(artifact_id)) > 0),
  content_sha256 TEXT NOT NULL CHECK (content_sha256 ~ '^[a-f0-9]{64}$'),
  provenance_uri TEXT NOT NULL CHECK (provenance_uri ~ '^(repo|db|audit)://[a-zA-Z0-9_./:-]+$'),
  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
  UNIQUE (owner_kind, owner_id, artifact_kind, artifact_id)
);

CREATE TABLE IF NOT EXISTS app.ci_model_calibration_snapshot (
  snapshot_record_id UUID PRIMARY KEY,
  gate_id UUID NOT NULL,
  snapshot_role TEXT NOT NULL CHECK (snapshot_role IN ('baseline','candidate')),
  snapshot_id TEXT NOT NULL CHECK (snapshot_id ~ '^oas-g8-model-snapshot-[a-z0-9-]+$'),
  model_name TEXT NOT NULL CHECK (length(btrim(model_name)) > 0),
  prompt_version TEXT NOT NULL CHECK (length(btrim(prompt_version)) > 0),
  benchmark_version TEXT NOT NULL CHECK (length(btrim(benchmark_version)) > 0),
  task_accuracy DOUBLE PRECISION NOT NULL CHECK (task_accuracy BETWEEN 0 AND 1),
  critical_miss_count INT NOT NULL CHECK (critical_miss_count >= 0),
  leakage_count INT NOT NULL CHECK (leakage_count >= 0),
  pii_count INT NOT NULL CHECK (pii_count >= 0),
  calibration_error DOUBLE PRECISION NOT NULL CHECK (calibration_error BETWEEN 0 AND 1),
  subgroup_max_gap DOUBLE PRECISION NOT NULL CHECK (subgroup_max_gap BETWEEN 0 AND 1),
  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
  UNIQUE (gate_id, snapshot_role),
  UNIQUE (gate_id, snapshot_id)
);

CREATE TABLE IF NOT EXISTS app.ci_model_change_gate (
  gate_id UUID PRIMARY KEY,
  submission_id UUID NOT NULL UNIQUE REFERENCES app.ci_ingestion_submission(submission_id) ON DELETE RESTRICT,
  baseline_snapshot_record_id UUID NOT NULL UNIQUE
    REFERENCES app.ci_model_calibration_snapshot(snapshot_record_id) ON DELETE RESTRICT,
  candidate_snapshot_record_id UUID NOT NULL UNIQUE
    REFERENCES app.ci_model_calibration_snapshot(snapshot_record_id) ON DELETE RESTRICT,
  baseline_artifact_id UUID NOT NULL REFERENCES app.ci_gate_artifact(artifact_record_id) ON DELETE RESTRICT,
  threshold_artifact_id UUID NOT NULL REFERENCES app.ci_gate_artifact(artifact_record_id) ON DELETE RESTRICT,
  provenance_artifact_ids UUID[] NOT NULL CHECK (cardinality(provenance_artifact_ids) >= 1),
  rollback_artifact_id UUID NOT NULL REFERENCES app.ci_gate_artifact(artifact_record_id) ON DELETE RESTRICT,
  gate_decision TEXT NOT NULL CHECK (gate_decision IN ('promote','rollback','quarantine')),
  reasons TEXT[] NOT NULL CHECK (cardinality(reasons) >= 1),
  rollback_target_snapshot_id TEXT,
  state TEXT NOT NULL DEFAULT 'pending_human_approval' CHECK (state = 'pending_human_approval'),
  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
  CHECK (baseline_snapshot_record_id <> candidate_snapshot_record_id),
  CHECK ((gate_decision = 'rollback') = (rollback_target_snapshot_id IS NOT NULL))
);

CREATE TABLE IF NOT EXISTS app.ci_release_gate (
  gate_id UUID PRIMARY KEY,
  submission_id UUID NOT NULL UNIQUE REFERENCES app.ci_ingestion_submission(submission_id) ON DELETE RESTRICT,
  release_id TEXT NOT NULL UNIQUE CHECK (release_id ~ '^oas-g8-release-[a-z0-9-]+$'),
  red_green_passed BOOLEAN NOT NULL,
  contract_passed BOOLEAN NOT NULL,
  e2e_passed BOOLEAN NOT NULL,
  runtime_proof_passed BOOLEAN NOT NULL,
  public_proof_passed BOOLEAN NOT NULL,
  ssot_synced BOOLEAN NOT NULL,
  evidence_refs TEXT[] NOT NULL,
  baseline_artifact_id UUID NOT NULL REFERENCES app.ci_gate_artifact(artifact_record_id) ON DELETE RESTRICT,
  threshold_artifact_id UUID NOT NULL REFERENCES app.ci_gate_artifact(artifact_record_id) ON DELETE RESTRICT,
  provenance_artifact_ids UUID[] NOT NULL CHECK (cardinality(provenance_artifact_ids) >= 1),
  rollback_artifact_id UUID NOT NULL REFERENCES app.ci_gate_artifact(artifact_record_id) ON DELETE RESTRICT,
  qualified BOOLEAN NOT NULL,
  state TEXT NOT NULL DEFAULT 'pending_human_approval' CHECK (state = 'pending_human_approval'),
  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
  CHECK (qualified = (
    red_green_passed AND contract_passed AND e2e_passed AND runtime_proof_passed
    AND public_proof_passed AND ssot_synced AND cardinality(evidence_refs) >= 1
  ))
);

CREATE TABLE IF NOT EXISTS audit.ci_human_approval_event (
  approval_event_id UUID PRIMARY KEY,
  submission_id UUID NOT NULL UNIQUE REFERENCES app.ci_ingestion_submission(submission_id) ON DELETE RESTRICT,
  target_kind TEXT NOT NULL CHECK (target_kind IN ('content_qualification','model_change_gate','release_gate')),
  target_id UUID NOT NULL,
  decision TEXT NOT NULL CHECK (decision IN (
    'approve_content','approve_promotion','authorize_rollback','reject','keep_quarantine'
  )),
  actor_uid UUID NOT NULL REFERENCES app.app_user(user_id) ON DELETE RESTRICT,
  reason_code TEXT NOT NULL CHECK (length(btrim(reason_code)) > 0),
  evidence_refs TEXT[] NOT NULL CHECK (cardinality(evidence_refs) >= 1),
  content_hash TEXT NOT NULL CHECK (content_hash ~ '^[a-f0-9]{64}$'),
  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
  UNIQUE (target_kind, target_id)
);

CREATE TABLE IF NOT EXISTS app.ci_catalog_entry (
  catalog_record_id UUID PRIMARY KEY,
  qualification_id UUID NOT NULL UNIQUE REFERENCES app.ci_content_qualification(qualification_id) ON DELETE RESTRICT,
  approval_event_id UUID NOT NULL UNIQUE REFERENCES audit.ci_human_approval_event(approval_event_id) ON DELETE RESTRICT,
  catalog_entry_id TEXT NOT NULL UNIQUE CHECK (catalog_entry_id ~ '^oas-g8-catalog-[a-z0-9-]+$'),
  payload_sha256 TEXT NOT NULL CHECK (payload_sha256 ~ '^[a-f0-9]{64}$'),
  source_record_ids UUID[] NOT NULL CHECK (cardinality(source_record_ids) >= 1),
  review_record_ids UUID[] NOT NULL CHECK (cardinality(review_record_ids) >= 2),
  benchmark_record_id UUID NOT NULL REFERENCES app.ci_content_benchmark(benchmark_record_id) ON DELETE RESTRICT,
  status TEXT NOT NULL DEFAULT 'approved' CHECK (status = 'approved'),
  clinical_claim_allowed BOOLEAN NOT NULL DEFAULT FALSE CHECK (clinical_claim_allowed = FALSE),
  created_at TIMESTAMPTZ NOT NULL DEFAULT now()
);

CREATE TABLE IF NOT EXISTS audit.ci_lifecycle_event (
  lifecycle_event_id UUID PRIMARY KEY,
  submission_id UUID NOT NULL UNIQUE REFERENCES app.ci_ingestion_submission(submission_id) ON DELETE RESTRICT,
  target_kind TEXT NOT NULL CHECK (target_kind IN ('model_change_gate','release_gate')),
  target_id UUID NOT NULL,
  event_type TEXT NOT NULL CHECK (event_type IN ('promotion','rollback','monitor')),
  event_status TEXT NOT NULL CHECK (event_status IN (
    'approved','requested','executed','failed','healthy','drift_detected',
    'rollback_recommended','rollback_verified'
  )),
  approval_event_id UUID REFERENCES audit.ci_human_approval_event(approval_event_id) ON DELETE RESTRICT,
  artifact_record_id UUID REFERENCES app.ci_gate_artifact(artifact_record_id) ON DELETE RESTRICT,
  evidence_refs TEXT[] NOT NULL CHECK (cardinality(evidence_refs) >= 1),
  content_hash TEXT NOT NULL CHECK (content_hash ~ '^[a-f0-9]{64}$'),
  executor_receipt_id TEXT,
  executor_evidence_refs TEXT[],
  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
  CHECK (
    (event_type = 'monitor' AND approval_event_id IS NULL)
    OR (event_type IN ('promotion','rollback') AND approval_event_id IS NOT NULL)
  ),
  CHECK (event_type <> 'rollback' OR artifact_record_id IS NOT NULL)
);

-- Idempotent upgrade for databases that already created the G8 ledger.  NOT VALID
-- preserves legacy rows while still enforcing these fail-closed rules on every new row.
ALTER TABLE audit.ci_lifecycle_event
  ADD COLUMN IF NOT EXISTS executor_receipt_id TEXT,
  ADD COLUMN IF NOT EXISTS executor_evidence_refs TEXT[];
ALTER TABLE audit.ci_lifecycle_event
  DROP CONSTRAINT IF EXISTS ci_lifecycle_event_event_status_check;
ALTER TABLE audit.ci_lifecycle_event
  ADD CONSTRAINT ci_lifecycle_event_event_status_check CHECK (event_status IN (
    'approved','requested','executed','failed','healthy','drift_detected',
    'rollback_recommended','rollback_verified'
  ));
ALTER TABLE audit.ci_lifecycle_event
  DROP CONSTRAINT IF EXISTS ci_lifecycle_event_status_by_type_check;
ALTER TABLE audit.ci_lifecycle_event
  ADD CONSTRAINT ci_lifecycle_event_status_by_type_check CHECK (
    (event_type = 'promotion' AND event_status = 'approved')
    OR (event_type = 'rollback' AND event_status IN ('requested','executed','failed'))
    OR (event_type = 'monitor' AND event_status IN (
      'healthy','drift_detected','rollback_recommended','rollback_verified'
    ))
  ) NOT VALID;
ALTER TABLE audit.ci_lifecycle_event
  DROP CONSTRAINT IF EXISTS ci_lifecycle_event_rollback_receipt_check;
ALTER TABLE audit.ci_lifecycle_event
  ADD CONSTRAINT ci_lifecycle_event_rollback_receipt_check CHECK (
    event_type <> 'rollback'
    OR (
      event_status = 'executed'
      AND length(btrim(executor_receipt_id)) > 0
      AND cardinality(executor_evidence_refs) >= 1
    )
    OR (
      event_status IN ('requested','failed')
      AND executor_receipt_id IS NULL
      AND executor_evidence_refs IS NULL
    )
  ) NOT VALID;

CREATE TABLE IF NOT EXISTS app.ci_operational_incident (
  incident_record_id UUID PRIMARY KEY,
  submission_id UUID NOT NULL UNIQUE REFERENCES app.ci_ingestion_submission(submission_id) ON DELETE RESTRICT,
  incident_id TEXT NOT NULL UNIQUE CHECK (incident_id ~ '^oas-g8-incident-[a-z0-9-]+$'),
  error_fingerprint TEXT NOT NULL CHECK (error_fingerprint ~ '^[a-f0-9]{64}$'),
  affected_contract TEXT NOT NULL CHECK (length(btrim(affected_contract)) > 0),
  evidence_refs TEXT[] NOT NULL CHECK (cardinality(evidence_refs) >= 1),
  pii_included BOOLEAN NOT NULL DEFAULT FALSE CHECK (pii_included = FALSE),
  created_at TIMESTAMPTZ NOT NULL DEFAULT now()
);

CREATE TABLE IF NOT EXISTS app.ci_regression_dag_node (
  node_record_id UUID PRIMARY KEY,
  incident_record_id UUID NOT NULL REFERENCES app.ci_operational_incident(incident_record_id) ON DELETE RESTRICT,
  node_id TEXT NOT NULL UNIQUE CHECK (node_id ~ '^oas-g8-node-[a-z0-9-]+$'),
  node_type TEXT NOT NULL CHECK (node_type IN ('reproduction_test','implementation','e2e','runtime_proof')),
  depends_on_record_ids UUID[] NOT NULL DEFAULT '{}',
  evidence_ref TEXT,
  node_status TEXT NOT NULL CHECK (node_status IN ('pending','passed','failed')),
  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
  UNIQUE (incident_record_id, node_type)
);

CREATE OR REPLACE FUNCTION audit.enforce_ci_uuid_array()
RETURNS trigger LANGUAGE plpgsql AS $$
DECLARE ids UUID[];
DECLARE matched INT;
DECLARE expected_sources UUID[];
DECLARE expected_payload TEXT;
DECLARE benchmark_ready BOOLEAN;
DECLARE covered_dimensions TEXT[];
BEGIN
  IF TG_TABLE_NAME = 'ci_content_pipeline' THEN
    ids := NEW.source_record_ids;
    SELECT count(DISTINCT source_record_id) INTO matched FROM app.ci_source_artifact
    WHERE source_record_id = ANY(ids) AND usage_status = 'approved';
  ELSIF TG_TABLE_NAME = 'ci_content_qualification' THEN
    SELECT p.source_record_ids, p.payload_sha256
      INTO expected_sources, expected_payload
    FROM app.ci_content_pipeline p WHERE p.pipeline_id = NEW.pipeline_id;
    IF expected_sources IS NULL OR NEW.source_record_ids IS DISTINCT FROM expected_sources
       OR NEW.payload_sha256 IS DISTINCT FROM expected_payload THEN
      RAISE EXCEPTION 'qualification does not match immutable draft provenance' USING ERRCODE = '23514';
    END IF;
    SELECT count(DISTINCT source_record_id) INTO matched FROM app.ci_source_artifact
    WHERE source_record_id = ANY(NEW.source_record_ids) AND usage_status = 'approved';
    IF matched <> cardinality(ARRAY(SELECT DISTINCT unnest(NEW.source_record_ids))) THEN
      RAISE EXCEPTION 'qualification source UUIDs are missing or not approved' USING ERRCODE = '23514';
    END IF;
    SELECT count(DISTINCT review_record_id) INTO matched FROM app.ci_red_team_review
    WHERE review_record_id = ANY(NEW.review_record_ids) AND pipeline_id = NEW.pipeline_id;
    IF matched <> cardinality(ARRAY(SELECT DISTINCT unnest(NEW.review_record_ids))) THEN
      RAISE EXCEPTION 'qualification review UUIDs are missing or cross-pipeline' USING ERRCODE = '23514';
    END IF;
    SELECT array_agg(DISTINCT dimension) INTO covered_dimensions
    FROM app.ci_red_team_review r
    CROSS JOIN LATERAL unnest(r.dimensions) AS dims(dimension)
    WHERE r.review_record_id = ANY(NEW.review_record_ids);
    IF NOT ARRAY['safety','identity','answer_leakage','cultural_bias','difficulty','pii','grounding']::TEXT[]
       <@ COALESCE(covered_dimensions, '{}'::TEXT[]) THEN
      RAISE EXCEPTION 'qualification red-team coverage is incomplete' USING ERRCODE = '23514';
    END IF;
    IF EXISTS (
      SELECT 1 FROM app.ci_red_team_finding f
      WHERE f.review_record_id = ANY(NEW.review_record_ids)
        AND f.finding_state = 'open'
    ) THEN
      RAISE EXCEPTION 'qualification has unresolved red-team findings' USING ERRCODE = '23514';
    END IF;
    SELECT b.qualified INTO benchmark_ready FROM app.ci_content_benchmark b
    WHERE b.benchmark_record_id = NEW.benchmark_record_id
      AND b.pipeline_id = NEW.pipeline_id;
    IF benchmark_ready IS DISTINCT FROM TRUE THEN
      RAISE EXCEPTION 'qualification benchmark is missing, cross-pipeline, or failed' USING ERRCODE = '23514';
    END IF;
    RETURN NEW;
  ELSIF TG_TABLE_NAME = 'ci_model_change_gate' OR TG_TABLE_NAME = 'ci_release_gate' THEN
    ids := ARRAY[NEW.baseline_artifact_id,NEW.threshold_artifact_id,NEW.rollback_artifact_id]
      || NEW.provenance_artifact_ids;
    SELECT count(DISTINCT artifact_record_id) INTO matched FROM app.ci_gate_artifact
    WHERE artifact_record_id = ANY(ids)
      AND owner_kind = replace(TG_TABLE_NAME::TEXT, 'ci_', '')
      AND owner_id = NEW.gate_id;
    IF matched <> cardinality(ARRAY(SELECT DISTINCT unnest(ids))) THEN
      RAISE EXCEPTION 'release gate artifacts are missing or assigned to another gate' USING ERRCODE = '23514';
    END IF;
    IF NOT EXISTS (SELECT 1 FROM app.ci_gate_artifact WHERE artifact_record_id = NEW.baseline_artifact_id AND artifact_kind = 'baseline')
       OR NOT EXISTS (SELECT 1 FROM app.ci_gate_artifact WHERE artifact_record_id = NEW.threshold_artifact_id AND artifact_kind = 'threshold')
       OR NOT EXISTS (SELECT 1 FROM app.ci_gate_artifact WHERE artifact_record_id = NEW.rollback_artifact_id AND artifact_kind = 'rollback')
       OR EXISTS (SELECT 1 FROM app.ci_gate_artifact WHERE artifact_record_id = ANY(NEW.provenance_artifact_ids) AND artifact_kind <> 'provenance') THEN
      RAISE EXCEPTION 'baseline/threshold/provenance/rollback artifact kinds are incomplete' USING ERRCODE = '23514';
    END IF;
    RETURN NEW;
  ELSIF TG_TABLE_NAME = 'ci_regression_dag_node' THEN
    ids := NEW.depends_on_record_ids;
    IF cardinality(ids) = 0 THEN RETURN NEW; END IF;
    SELECT count(DISTINCT node_record_id) INTO matched FROM app.ci_regression_dag_node
    WHERE node_record_id = ANY(ids) AND incident_record_id = NEW.incident_record_id;
  ELSE
    RETURN NEW;
  END IF;
  IF matched <> cardinality(ARRAY(SELECT DISTINCT unnest(ids))) THEN
    RAISE EXCEPTION 'UUID provenance array contains missing or cross-owner records' USING ERRCODE = '23514';
  END IF;
  RETURN NEW;
END;
$$;

CREATE OR REPLACE FUNCTION audit.enforce_ci_review_contract()
RETURNS trigger LANGUAGE plpgsql AS $$
DECLARE reviewed_dimensions TEXT[];
BEGIN
  IF TG_TABLE_NAME = 'ci_red_team_review' THEN
    IF NOT EXISTS (SELECT 1 FROM app.ci_content_pipeline p
      WHERE p.pipeline_id = NEW.pipeline_id AND p.payload_sha256 = NEW.reviewed_payload_sha256) THEN
      RAISE EXCEPTION 'red-team payload hash does not match draft' USING ERRCODE = '23514';
    END IF;
  ELSE
    SELECT dimensions INTO reviewed_dimensions FROM app.ci_red_team_review
    WHERE review_record_id = NEW.review_record_id;
    IF reviewed_dimensions IS NULL OR NOT NEW.dimension = ANY(reviewed_dimensions) THEN
      RAISE EXCEPTION 'finding dimension was not reviewed' USING ERRCODE = '23514';
    END IF;
  END IF;
  RETURN NEW;
END;
$$;

CREATE OR REPLACE FUNCTION audit.enforce_ci_human_approval()
RETURNS trigger LANGUAGE plpgsql AS $$
DECLARE expected_decision TEXT;
DECLARE qualified BOOLEAN;
BEGIN
  IF app.current_role_name() <> 'admin' OR NEW.actor_uid IS DISTINCT FROM app.current_uid() THEN
    RAISE EXCEPTION 'continuous improvement approval requires current admin actor' USING ERRCODE = '42501';
  END IF;
  IF NEW.target_kind = 'content_qualification' THEN
    SELECT 'approve_content', TRUE INTO expected_decision, qualified
    FROM app.ci_content_qualification WHERE qualification_id = NEW.target_id;
  ELSIF NEW.target_kind = 'model_change_gate' THEN
    SELECT CASE gate_decision WHEN 'promote' THEN 'approve_promotion'
      WHEN 'rollback' THEN 'authorize_rollback' ELSE 'keep_quarantine' END, TRUE
    INTO expected_decision, qualified FROM app.ci_model_change_gate WHERE gate_id = NEW.target_id;
  ELSE
    SELECT 'approve_promotion', g.qualified INTO expected_decision, qualified
    FROM app.ci_release_gate g WHERE gate_id = NEW.target_id;
  END IF;
  IF expected_decision IS NULL THEN
    RAISE EXCEPTION 'approval target does not exist' USING ERRCODE = '23514';
  END IF;
  IF NEW.decision = 'authorize_rollback'
     AND NEW.target_kind IN ('model_change_gate','release_gate')
     AND qualified THEN
    RETURN NEW;
  END IF;
  -- reject와 keep_quarantine는 부작용 없이 감사 이벤트만 남기는 fail-closed 선택이다.
  -- 카탈로그·승격·롤백 효과를 만드는 긍정 결정만 계산된 게이트와 일치해야 한다.
  IF NEW.decision IN ('reject', 'keep_quarantine') THEN
    RETURN NEW;
  END IF;
  IF NEW.decision <> expected_decision
     OR (NEW.decision = expected_decision AND NOT qualified) THEN
    RAISE EXCEPTION 'human decision cannot bypass computed fail-closed gate' USING ERRCODE = '23514';
  END IF;
  RETURN NEW;
END;
$$;

CREATE OR REPLACE FUNCTION audit.enforce_ci_catalog_approval()
RETURNS trigger LANGUAGE plpgsql AS $$
BEGIN
  IF NOT EXISTS (
    SELECT 1 FROM app.ci_content_qualification q
    JOIN audit.ci_human_approval_event a
      ON a.approval_event_id = NEW.approval_event_id
     AND a.target_kind = 'content_qualification'
     AND a.target_id = q.qualification_id
     AND a.decision = 'approve_content'
    WHERE q.qualification_id = NEW.qualification_id
      AND q.catalog_entry_id = NEW.catalog_entry_id
      AND q.payload_sha256 = NEW.payload_sha256
      AND q.source_record_ids = NEW.source_record_ids
      AND q.review_record_ids = NEW.review_record_ids
      AND q.benchmark_record_id = NEW.benchmark_record_id
  ) THEN
    RAISE EXCEPTION 'catalog promotion requires matching human approval' USING ERRCODE = '23514';
  END IF;
  RETURN NEW;
END;
$$;

CREATE OR REPLACE FUNCTION audit.enforce_ci_lifecycle_event()
RETURNS trigger LANGUAGE plpgsql AS $$
DECLARE gate_decision TEXT;
DECLARE rollback_id UUID;
BEGIN
  IF NEW.target_kind = 'model_change_gate' THEN
    SELECT g.gate_decision, g.rollback_artifact_id INTO gate_decision, rollback_id
    FROM app.ci_model_change_gate g WHERE g.gate_id = NEW.target_id;
  ELSE
    SELECT CASE WHEN g.qualified THEN 'promote' ELSE 'quarantine' END, g.rollback_artifact_id
    INTO gate_decision, rollback_id FROM app.ci_release_gate g WHERE g.gate_id = NEW.target_id;
  END IF;
  IF gate_decision IS NULL THEN
    RAISE EXCEPTION 'lifecycle target does not exist' USING ERRCODE = '23514';
  END IF;
  IF NEW.event_type = 'promotion' AND (
    gate_decision <> 'promote' OR NOT EXISTS (
      SELECT 1 FROM audit.ci_human_approval_event a
      WHERE a.approval_event_id = NEW.approval_event_id AND a.target_id = NEW.target_id
        AND a.target_kind = NEW.target_kind AND a.decision = 'approve_promotion'
    )
  ) THEN
    RAISE EXCEPTION 'silent or failed-gate promotion is forbidden' USING ERRCODE = '23514';
  END IF;
  IF NEW.event_type = 'rollback' AND (
    NEW.artifact_record_id IS DISTINCT FROM rollback_id OR NOT EXISTS (
      SELECT 1 FROM audit.ci_human_approval_event a
      WHERE a.approval_event_id = NEW.approval_event_id AND a.target_id = NEW.target_id
        AND a.target_kind = NEW.target_kind AND a.decision = 'authorize_rollback'
    )
  ) THEN
    RAISE EXCEPTION 'rollback requires human authorization and pinned artifact' USING ERRCODE = '23514';
  END IF;
  IF NEW.event_type = 'rollback' AND NEW.event_status = 'executed'
     AND (NULLIF(btrim(NEW.executor_receipt_id), '') IS NULL
       OR COALESCE(cardinality(NEW.executor_evidence_refs), 0) < 1) THEN
    RAISE EXCEPTION 'executed rollback requires executor receipt evidence' USING ERRCODE = '23514';
  END IF;
  IF NEW.event_type = 'monitor' AND NEW.event_status = 'rollback_verified'
     AND NOT EXISTS (SELECT 1 FROM audit.ci_lifecycle_event e
       WHERE e.target_kind = NEW.target_kind AND e.target_id = NEW.target_id
         AND e.event_type = 'rollback' AND e.event_status = 'executed') THEN
    RAISE EXCEPTION 'rollback verification requires an earlier executed rollback' USING ERRCODE = '23514';
  END IF;
  RETURN NEW;
END;
$$;

CREATE OR REPLACE FUNCTION audit.enforce_ci_model_snapshot_gate()
RETURNS trigger LANGUAGE plpgsql AS $$
DECLARE baseline app.ci_model_calibration_snapshot%ROWTYPE;
DECLARE candidate app.ci_model_calibration_snapshot%ROWTYPE;
DECLARE expected_decision TEXT;
BEGIN
  SELECT * INTO baseline FROM app.ci_model_calibration_snapshot
  WHERE snapshot_record_id = NEW.baseline_snapshot_record_id
    AND gate_id = NEW.gate_id AND snapshot_role = 'baseline';
  SELECT * INTO candidate FROM app.ci_model_calibration_snapshot
  WHERE snapshot_record_id = NEW.candidate_snapshot_record_id
    AND gate_id = NEW.gate_id AND snapshot_role = 'candidate';
  IF baseline.snapshot_record_id IS NULL OR candidate.snapshot_record_id IS NULL THEN
    RAISE EXCEPTION 'model gate snapshots are missing or role-mismatched' USING ERRCODE = '23514';
  END IF;
  IF candidate.critical_miss_count > 0 OR candidate.leakage_count > 0 OR candidate.pii_count > 0 THEN
    expected_decision := 'rollback';
  ELSIF candidate.task_accuracy < baseline.task_accuracy - 0.02
     OR candidate.calibration_error > baseline.calibration_error + 0.02
     OR candidate.subgroup_max_gap > baseline.subgroup_max_gap + 0.05 THEN
    expected_decision := 'quarantine';
  ELSE
    expected_decision := 'promote';
  END IF;
  IF NEW.gate_decision IS DISTINCT FROM expected_decision
     OR (expected_decision = 'rollback' AND NEW.rollback_target_snapshot_id IS DISTINCT FROM baseline.snapshot_id) THEN
    RAISE EXCEPTION 'model gate decision bypasses calibration baseline thresholds' USING ERRCODE = '23514';
  END IF;
  RETURN NEW;
END;
$$;

CREATE OR REPLACE FUNCTION audit.enforce_ci_agentic_job_update()
RETURNS trigger LANGUAGE plpgsql AS $$
BEGIN
  IF ROW(
    NEW.job_key, NEW.source_packs, NEW.source_fingerprint,
    NEW.data_classification, NEW.content_kind, NEW.difficulty_level,
    NEW.variant_count, NEW.prompt_version, NEW.trigger_kind, NEW.created_at
  ) IS DISTINCT FROM ROW(
    OLD.job_key, OLD.source_packs, OLD.source_fingerprint,
    OLD.data_classification, OLD.content_kind, OLD.difficulty_level,
    OLD.variant_count, OLD.prompt_version, OLD.trigger_kind, OLD.created_at
  ) THEN
    RAISE EXCEPTION 'agentic job source and configuration are immutable' USING ERRCODE = '23514';
  END IF;
  IF NOT (
    (OLD.status = 'pending' AND NEW.status = 'processing')
    OR (OLD.status = 'retry_wait' AND NEW.status = 'processing')
    OR (OLD.status = 'processing' AND NEW.status IN ('processing','retry_wait','rejected','completed'))
  ) THEN
    RAISE EXCEPTION 'invalid agentic job state transition: % -> %', OLD.status, NEW.status
      USING ERRCODE = '23514';
  END IF;
  IF NEW.status <> 'processing' AND NEW.lease_started_at IS NOT NULL THEN
    RAISE EXCEPTION 'only processing agentic jobs may hold a lease' USING ERRCODE = '23514';
  END IF;
  RETURN NEW;
END;
$$;

DROP TRIGGER IF EXISTS trg_ci_content_pipeline_sources ON app.ci_content_pipeline;
CREATE TRIGGER trg_ci_content_pipeline_sources BEFORE INSERT ON app.ci_content_pipeline
  FOR EACH ROW EXECUTE FUNCTION audit.enforce_ci_uuid_array();
DROP TRIGGER IF EXISTS trg_ci_agentic_job_update_contract ON app.ci_agentic_job;
CREATE TRIGGER trg_ci_agentic_job_update_contract BEFORE UPDATE ON app.ci_agentic_job
  FOR EACH ROW EXECUTE FUNCTION audit.enforce_ci_agentic_job_update();
DROP TRIGGER IF EXISTS trg_ci_content_qualification_sources ON app.ci_content_qualification;
CREATE TRIGGER trg_ci_content_qualification_sources BEFORE INSERT ON app.ci_content_qualification
  FOR EACH ROW EXECUTE FUNCTION audit.enforce_ci_uuid_array();
DROP TRIGGER IF EXISTS trg_ci_model_gate_artifacts ON app.ci_model_change_gate;
CREATE TRIGGER trg_ci_model_gate_artifacts BEFORE INSERT ON app.ci_model_change_gate
  FOR EACH ROW EXECUTE FUNCTION audit.enforce_ci_uuid_array();
DROP TRIGGER IF EXISTS trg_ci_release_gate_artifacts ON app.ci_release_gate;
CREATE TRIGGER trg_ci_release_gate_artifacts BEFORE INSERT ON app.ci_release_gate
  FOR EACH ROW EXECUTE FUNCTION audit.enforce_ci_uuid_array();
DROP TRIGGER IF EXISTS trg_ci_dag_dependencies ON app.ci_regression_dag_node;
CREATE TRIGGER trg_ci_dag_dependencies BEFORE INSERT ON app.ci_regression_dag_node
  FOR EACH ROW EXECUTE FUNCTION audit.enforce_ci_uuid_array();
DROP TRIGGER IF EXISTS trg_ci_red_team_review_contract ON app.ci_red_team_review;
CREATE TRIGGER trg_ci_red_team_review_contract BEFORE INSERT ON app.ci_red_team_review
  FOR EACH ROW EXECUTE FUNCTION audit.enforce_ci_review_contract();
DROP TRIGGER IF EXISTS trg_ci_red_team_finding_contract ON app.ci_red_team_finding;
CREATE TRIGGER trg_ci_red_team_finding_contract BEFORE INSERT ON app.ci_red_team_finding
  FOR EACH ROW EXECUTE FUNCTION audit.enforce_ci_review_contract();
DROP TRIGGER IF EXISTS trg_ci_human_approval_contract ON audit.ci_human_approval_event;
CREATE TRIGGER trg_ci_human_approval_contract BEFORE INSERT ON audit.ci_human_approval_event
  FOR EACH ROW EXECUTE FUNCTION audit.enforce_ci_human_approval();
DROP TRIGGER IF EXISTS trg_ci_catalog_approval ON app.ci_catalog_entry;
CREATE TRIGGER trg_ci_catalog_approval BEFORE INSERT ON app.ci_catalog_entry
  FOR EACH ROW EXECUTE FUNCTION audit.enforce_ci_catalog_approval();
DROP TRIGGER IF EXISTS trg_ci_lifecycle_contract ON audit.ci_lifecycle_event;
CREATE TRIGGER trg_ci_lifecycle_contract BEFORE INSERT ON audit.ci_lifecycle_event
  FOR EACH ROW EXECUTE FUNCTION audit.enforce_ci_lifecycle_event();
DROP TRIGGER IF EXISTS trg_ci_model_snapshot_contract ON app.ci_model_change_gate;
CREATE TRIGGER trg_ci_model_snapshot_contract BEFORE INSERT ON app.ci_model_change_gate
  FOR EACH ROW EXECUTE FUNCTION audit.enforce_ci_model_snapshot_gate();

DO $$
DECLARE table_name TEXT;
BEGIN
  FOREACH table_name IN ARRAY ARRAY[
    'ci_ingestion_submission','ci_source_artifact','ci_content_pipeline','ci_red_team_review',
    'ci_red_team_finding','ci_content_benchmark','ci_content_qualification','ci_gate_artifact',
    'ci_model_calibration_snapshot','ci_model_change_gate','ci_release_gate','ci_catalog_entry',
    'ci_operational_incident','ci_regression_dag_node'
  ] LOOP
    EXECUTE format('DROP TRIGGER IF EXISTS trg_%s_append_only ON app.%I', table_name, table_name);
    EXECUTE format('CREATE TRIGGER trg_%s_append_only BEFORE UPDATE OR DELETE ON app.%I FOR EACH ROW EXECUTE FUNCTION audit.reject_measurement_mutation()', table_name, table_name);
    EXECUTE format('ALTER TABLE app.%I ENABLE ROW LEVEL SECURITY', table_name);
  END LOOP;
END;
$$;

DO $$
DECLARE table_name TEXT;
BEGIN
  FOREACH table_name IN ARRAY ARRAY['ci_human_approval_event','ci_lifecycle_event'] LOOP
    EXECUTE format('DROP TRIGGER IF EXISTS trg_%s_append_only ON audit.%I', table_name, table_name);
    EXECUTE format('CREATE TRIGGER trg_%s_append_only BEFORE UPDATE OR DELETE ON audit.%I FOR EACH ROW EXECUTE FUNCTION audit.reject_measurement_mutation()', table_name, table_name);
    EXECUTE format('ALTER TABLE audit.%I ENABLE ROW LEVEL SECURITY', table_name);
  END LOOP;
END;
$$;

ALTER TABLE app.ci_agentic_job ENABLE ROW LEVEL SECURITY;

DROP POLICY IF EXISTS p_ci_agentic_job_select ON app.ci_agentic_job;
DROP POLICY IF EXISTS p_ci_agentic_job_insert ON app.ci_agentic_job;
DROP POLICY IF EXISTS p_ci_agentic_job_update ON app.ci_agentic_job;
CREATE POLICY p_ci_agentic_job_select ON app.ci_agentic_job FOR SELECT USING (
  (app.is_ai_context() AND current_setting('app.current_ai_view',true) = 'research')
  OR (NOT app.is_ai_context() AND app.current_role_name() = 'admin')
);
CREATE POLICY p_ci_agentic_job_insert ON app.ci_agentic_job FOR INSERT WITH CHECK (
  app.is_ai_context()
  AND current_setting('app.current_ai_view',true) = 'research'
  AND data_classification = 'synthetic_replay_red_team_coverage_drift'
  AND status = 'pending'
);
CREATE POLICY p_ci_agentic_job_update ON app.ci_agentic_job FOR UPDATE
  USING (
    app.is_ai_context() AND current_setting('app.current_ai_view',true) = 'research'
  )
  WITH CHECK (
    app.is_ai_context()
    AND current_setting('app.current_ai_view',true) = 'research'
    AND data_classification = 'synthetic_replay_red_team_coverage_drift'
  );

-- Research automation can see/write candidates and evidence; only administrators approve.
DO $$
DECLARE table_name TEXT;
BEGIN
  FOREACH table_name IN ARRAY ARRAY[
    'ci_ingestion_submission','ci_source_artifact','ci_content_pipeline','ci_red_team_review',
    'ci_red_team_finding','ci_content_benchmark','ci_content_qualification','ci_gate_artifact',
    'ci_model_calibration_snapshot','ci_model_change_gate','ci_release_gate',
    'ci_operational_incident','ci_regression_dag_node'
  ] LOOP
    EXECUTE format('DROP POLICY IF EXISTS p_%s_select ON app.%I', table_name, table_name);
    EXECUTE format('DROP POLICY IF EXISTS p_%s_insert ON app.%I', table_name, table_name);
    EXECUTE format('CREATE POLICY p_%s_select ON app.%I FOR SELECT USING ((app.is_ai_context() AND current_setting(''app.current_ai_view'',true) = ''research'') OR (NOT app.is_ai_context() AND app.current_role_name() = ''admin''))', table_name, table_name);
    EXECUTE format('CREATE POLICY p_%s_insert ON app.%I FOR INSERT WITH CHECK (app.is_ai_context() AND current_setting(''app.current_ai_view'',true) = ''research'')', table_name, table_name);
  END LOOP;
END;
$$;

DROP POLICY IF EXISTS p_ci_ingestion_submission_admin_insert ON app.ci_ingestion_submission;
CREATE POLICY p_ci_ingestion_submission_admin_insert ON app.ci_ingestion_submission
  FOR INSERT WITH CHECK (
    NOT app.is_ai_context() AND app.current_role_name() = 'admin'
    AND operation_kind = 'human_approval'
  );

DROP POLICY IF EXISTS p_ci_catalog_entry_select ON app.ci_catalog_entry;
DROP POLICY IF EXISTS p_ci_catalog_entry_insert ON app.ci_catalog_entry;
CREATE POLICY p_ci_catalog_entry_select ON app.ci_catalog_entry FOR SELECT USING (
  (app.is_ai_context() AND current_setting('app.current_ai_view',true) = 'research')
  OR (NOT app.is_ai_context() AND app.current_role_name() = 'admin')
);
CREATE POLICY p_ci_catalog_entry_insert ON app.ci_catalog_entry FOR INSERT WITH CHECK (
  NOT app.is_ai_context() AND app.current_role_name() = 'admin'
);

DROP POLICY IF EXISTS p_ci_human_approval_select ON audit.ci_human_approval_event;
DROP POLICY IF EXISTS p_ci_human_approval_insert ON audit.ci_human_approval_event;
CREATE POLICY p_ci_human_approval_select ON audit.ci_human_approval_event FOR SELECT USING (
  (app.is_ai_context() AND current_setting('app.current_ai_view',true) = 'research')
  OR (NOT app.is_ai_context() AND app.current_role_name() = 'admin')
);
CREATE POLICY p_ci_human_approval_insert ON audit.ci_human_approval_event FOR INSERT WITH CHECK (
  NOT app.is_ai_context() AND app.current_role_name() = 'admin' AND actor_uid = app.current_uid()
);

DROP POLICY IF EXISTS p_ci_lifecycle_select ON audit.ci_lifecycle_event;
DROP POLICY IF EXISTS p_ci_lifecycle_monitor_insert ON audit.ci_lifecycle_event;
DROP POLICY IF EXISTS p_ci_lifecycle_admin_insert ON audit.ci_lifecycle_event;
CREATE POLICY p_ci_lifecycle_select ON audit.ci_lifecycle_event FOR SELECT USING (
  (app.is_ai_context() AND current_setting('app.current_ai_view',true) = 'research')
  OR (NOT app.is_ai_context() AND app.current_role_name() = 'admin')
);
CREATE POLICY p_ci_lifecycle_monitor_insert ON audit.ci_lifecycle_event FOR INSERT WITH CHECK (
  app.is_ai_context() AND current_setting('app.current_ai_view',true) = 'research'
  AND event_type = 'monitor'
);
CREATE POLICY p_ci_lifecycle_admin_insert ON audit.ci_lifecycle_event FOR INSERT WITH CHECK (
  NOT app.is_ai_context() AND app.current_role_name() = 'admin'
  AND event_type IN ('promotion','rollback')
);

DO $$
DECLARE app_role TEXT;
BEGIN
  FOREACH app_role IN ARRAY ARRAY['vignette_app','vignette'] LOOP
    IF EXISTS (SELECT 1 FROM pg_roles WHERE rolname = app_role) THEN
      EXECUTE format('GRANT SELECT, INSERT, UPDATE, DELETE ON ALL TABLES IN SCHEMA app, audit TO %I', app_role);
      EXECUTE format('GRANT EXECUTE ON ALL FUNCTIONS IN SCHEMA audit TO %I', app_role);
    END IF;
  END LOOP;
END;
$$;